问题描述： Arthur spends all his free time < > his grandson 1个回答 分类：英语 2014-11-01 问题解答： 我来补答 Arthur spends all his free time his grandson作家把他的空余时间都花在了他的孙子身上这里是个短语：spend some time /money on sth等于spend some time/ money in doing sth 展开全文阅读
